| CAS No.: | 7775-14-6 |
|---|---|
| Formula: | Na2s2o4 |
| EINECS: | 231-890-0 |
| Certification: | ISO |
| Environmental Protection: | No |
| Color: | White |
| Samples: |
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| Customization: |
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Audited Supplier 90%min Sodium hydrosulphite powder industry grade CAS 7775-14-6
Product Name: Sodium hydrosulphite, Sodium Dithionite, Sodium hydrosulfite
Quality standard: HG / T 2074 - 2011
Molecular formula: Na2S2O4
UN NO.: 1384
IMO Class: 4.2
Application:
1. As a reducing agent for printing and dyeing industry, synthetic dyes and intermediate production, printing and dyeing auxiliaries.
2. Bleaching agent used in the paper industry to make pulp.
3. Used as bleaching agent for clay in ceramic industry.
4. Used as deoxidizer in styrene butadiene rubber synthesis.
5. Used as a developer in the photographic industry.
6. Used as reducing agent and bleaching agent in pharmaceutical, food, metallurgy, leather and other industries.
Storage: Sodium hydrosulfite powder shall be stored in a cool, dry, ventilated and covered warehouse to avoid direct sunlight. Keep away from heat sources and do not mix with water or steam. It shall not be mixed with oxidant or other inflammables. The bag mouth shall be tied up immediately and tightly after use and stored properly.
The storage period is half a year from the date of production. Products beyond the storage period of half a year shall be subject to quality inspection before use.
Specification:
| Items | Specification |
| Appearance | White crystalline powder |
| Purity | Min 90% |
| Smell | A little smell of SO2 |
| Water insoluble | Max 0.1% |
| Fe content | Max 0.002% |
| Zn content | Max 0.0001% |
We also distribute sodium percarbonate, potassium permanganate, sodium gluconate, sodium acetate trihydrate, Trichloroisocyanuric Acid, Oxalic acid, sulfur dyes, anhydrous sodium sulfite and sodium pyrosulfite & citric acid etc. Based on our good relationships with manufacturers, we can offer very competitive price and good delivery time and services.
ZHANJIU (SHANGHA) INDUSTRIAL CO, LTD is a professional supplier of fine chemicals for many industry fields, specializing for chemicals widely used in textile printing & dyeing, leather processing.water treatment, food & feed additives, pharmaceuticals and other areas.We have own cooperated factories for sodium percarbonate, sodium hydrosulfite, surfactant, sulphur dyes and textile auxiliariesetc.Our cooperated factory for sodium hydrosulfite has capacity of 100,000 metric tons per year, wealso produce sodium metabisulfite and sodium formate etc.Our factory has internationally advanced production equipment and production technology.Comprehensively utilizes the by-products in the production process, and fully advocates circulareconomy and cleaner production.
Our manufacture base for Sulphur dyes is located in East China and founded in 2003. The main products are solid and liquid sulphur dyes, sodium thiosulfate, sodium sulfide, etc. Our capacity for sulphur dyes is 30000 tons of solid and 30000 tons of liquid every year.
Our cooperated factory for sodium percarbonate has capacity of 100,000 metric tons per year and we already exported more than 50 countries. The main application of sodium percarbonate is indetergent and aquaculture industries, For aquaculture, we can supply granular uncoated type and tablet type. It is Class 5.1 dangerous chemicals and we have very good professional experiences for exporting this product.
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